| MSPA |
Member of the American Society of Pension Actuaries |
| MSPAS |
Master of Science in Physician Assistant Studies |
| MSQ |
Motivational Structure Questionnaire |
| MSR |
Microsoft Reserved Partition |
| MSR |
Member Service Representative |
| MSR |
Monthly Status Report |
| MSR |
Module Support Rack |
| MSR |
Muscle Stretch Reflex |
| MSRT |
Multistage Shuttle Run Test |
| MSS |
Mahila Swasthya Sangh |
| MSS |
Minimum Segment Size |
| MSS |
Message Switching System |
| MSS |
Multispectral Scanner System |
| MSS |
Mission Status Summary |
| MSS |
Mobile Service Structure |
| MSS |
Mechanical Support Systems |
| MSS |
Manufacturers Standardization Society |
| MSS |
Maintenance Status System |
| MSS |
Multispectral Scanner |
| MSSTA |
Multispectra Solar Telescope Array |
| MSSTF |
Manhattan South Scooter Task Force |
| MSSU |
Mid stream specimen urine |
| MST |
Master of Science in Taxation |
| MST |
Mountain Standard Time |
| MST |
Module Systems Trainer |
| MST |
Module Service Tool |
| MST |
Mobile Service Tower |
| MST |
Mission Sequence Test |
| MST |
Measurement Status Table |
| MSTF |
Manhattan South Task Force |
| MSU |
Measuring Stimuli Units |
| MSU |
Mass Storage Unit |
| MSU |
Microwave Sounding Unit |
| MSV |
Monitored Sine Vibration |
| MSVP |
Master Shuttle Verification Plan |
| MSW |
Master of Social Work |
| MSW |
Municipal Solid Waste |
| MSW |
Medical Social Worker |
| MSWG |
Materials Science Working Group |
| MSX |
Midcourse Space Experiment |
| MSY |
Mahila Samriddhi Yojana |
| MT |
Management Of Technology |
| MT |
Meitnerium |
| MT |
Machine Translation |
| MT |
Master Taxidermist |
| MT |
Master Trainer |
| MT |
Medical Technologist |
| MT |
Mobile Transporter |
| MT |
Mission Trajectory |
| MT |
Mechanical Technician |